《妈妈》讲述了发生在孩子和母亲之间的动人故事。即使是“冤家”一般的母亲、不讲道理的母亲,又或者是总跟在身边寸步不离的母亲,她都是“我”在这个世界上唯一的母亲。"Mama" follows three different families all dealing with different issues affecting their mothers. Dong-Sook (Uhm Jung-Hwa) is a single mother who works as a saleswoman for yogurt drinks and also works cleans apartments to make ends meet. Her world revolves around her son Won-Jae (Lee Hyung-Suk), who is afflicted with a disease that prevents him from walking. One day, Dong-Sook is diagnosed with cancer and her world comes crashing down. Eun-Sung (Ryu Hyun-Kyung) has always lived under the shadows of her famous opera singer mother Hee-Kyung (Jeon Su-Kyeong). Even as a married mother, Eun-Sung still at times feels like an assistant to her mother rather than a daughter. Eun-Sung's dreamed as a child of becoming a p...